July 2012

The zero curve on each of 21 trading days this month.

0.00%0.50%1.00%1.50%2.00%2.50%3.00%Jul 2, 2012Jul 31, 2012Jul 2, 20122Y zero rate0.331%10Y zero rate1.633%30Y zero rate2.793%Jul 3, 20122Y zero rate0.330%10Y zero rate1.683%30Y zero rate2.840%Jul 5, 20122Y zero rate0.321%10Y zero rate1.655%30Y zero rate2.815%Jul 6, 20122Y zero rate0.299%10Y zero rate1.604%30Y zero rate2.762%Jul 9, 20122Y zero rate0.294%10Y zero rate1.564%30Y zero rate2.720%Jul 10, 20122Y zero rate0.291%10Y zero rate1.554%30Y zero rate2.696%Jul 11, 20122Y zero rate0.301%10Y zero rate1.562%30Y zero rate2.704%Jul 12, 20122Y zero rate0.271%10Y zero rate1.523%30Y zero rate2.680%Jul 13, 20122Y zero rate0.262%10Y zero rate1.541%30Y zero rate2.687%Jul 16, 20122Y zero rate0.241%10Y zero rate1.521%30Y zero rate2.675%Jul 17, 20122Y zero rate0.260%10Y zero rate1.557%30Y zero rate2.690%Jul 18, 20122Y zero rate0.232%10Y zero rate1.542%30Y zero rate2.704%Jul 19, 20122Y zero rate0.227%10Y zero rate1.572%30Y zero rate2.733%Jul 20, 20122Y zero rate0.217%10Y zero rate1.518%30Y zero rate2.674%Jul 23, 20122Y zero rate0.208%10Y zero rate1.493%30Y zero rate2.624%Jul 24, 20122Y zero rate0.217%10Y zero rate1.455%30Y zero rate2.576%Jul 25, 20122Y zero rate0.216%10Y zero rate1.456%30Y zero rate2.565%Jul 26, 20122Y zero rate0.218%10Y zero rate1.483%30Y zero rate2.598%Jul 27, 20122Y zero rate0.247%10Y zero rate1.613%30Y zero rate2.742%Jul 30, 20122Y zero rate0.224%10Y zero rate1.566%30Y zero rate2.686%Jul 31, 20122Y zero rate0.208%10Y zero rate1.546%30Y zero rate2.667%
2Y zero rate10Y zero rate30Y zero rate
Zero rate first, last, low and high for each charted tenor across July 2012.
TenorFirstLastChangeLowHigh
2Y0.331%0.208%-12.3 bp0.208%Jul 31, 20120.331%Jul 2, 2012
10Y1.633%1.546%-8.7 bp1.455%Jul 24, 20121.683%Jul 3, 2012
30Y2.793%2.667%-12.7 bp2.565%Jul 25, 20122.840%Jul 3, 2012

Rates are percent; the change column is basis points. A rise in yield is a fall in price, so the colours here describe the rate rather than a bondholder's return.

Every trading day

Zero rate at 2, 10 and 30 years for every fitted trading day in July 2012.
Date2 year10 year30 year
Jul 2, 20120.331%1.633%2.793%
Jul 3, 20120.330%1.683%2.840%
Jul 5, 20120.321%1.655%2.815%
Jul 6, 20120.299%1.604%2.762%
Jul 9, 20120.294%1.564%2.720%
Jul 10, 20120.291%1.554%2.696%
Jul 11, 20120.301%1.562%2.704%
Jul 12, 20120.271%1.523%2.680%
Jul 13, 20120.262%1.541%2.687%
Jul 16, 20120.241%1.521%2.675%
Jul 17, 20120.260%1.557%2.690%
Jul 18, 20120.232%1.542%2.704%
Jul 19, 20120.227%1.572%2.733%
Jul 20, 20120.217%1.518%2.674%
Jul 23, 20120.208%1.493%2.624%
Jul 24, 20120.217%1.455%2.576%
Jul 25, 20120.216%1.456%2.565%
Jul 26, 20120.218%1.483%2.598%
Jul 27, 20120.247%1.613%2.742%
Jul 30, 20120.224%1.566%2.686%
Jul 31, 20120.208%1.546%2.667%

Index levels before September 30, 2026 are back-tested. They were computed after the fact by applying the rules to historical data, which benefits from hindsight in the choice of rules, and an index cannot be invested in directly. Methodology v1.0 takes effect at that rebalance, when levels begin to be struck on the day; the rulebook is identical either way, and the version is published on every row.

A fitted curve is a fit, not a quote. Daily error averages 3.8 basis points across the history and reaches about 20 on the worst days, in December 2008, when the market was genuinely hard to fit one smooth curve to. Every curve page publishes its own fit error rather than burying it.

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Curves are fitted from public Treasury data and carry fit error; figures are not a record of trading, and an index cannot be invested in directly. No claim of compliance with the IOSCO Principles for Financial Benchmarks is made or implied. Not investment advice, not an offer, and not a recommendation to buy or sell any security.